Home / 6,652,857.80-9,979,286.70-4,385,376.20

Finding the Fourth Proportional to 6,652,857.80, 9,979,286.70 and 4,385,376.20

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Solution

The fourth proportional to 6,652,857.80, 9,979,286.70 and 4,385,376.20 is: 6,578,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,857.80 : 9,979,286.70 = 4,385,376.20 : x
  2. Step 2: Convert to fraction form
    6,652,857.80/9,979,286.70 = 4,385,376.20/x
  3. Step 3: Cross multiply
    6,652,857.80x = 9,979,286.70 × 4,385,376.20
  4. Step 4: Simplify right side
    6,652,857.80x = 43,762,926,387,156.54
  5. Step 5: Solve for x
    x = 43,762,926,387,156.54/6,652,857.80
  6. Step 6: Final answer
    x = 6,578,064.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.